Epidemiology and control of echinococcosis in central Asia, with particular reference to the People's Republic of China
文献类型: 外文期刊
第一作者: Zhang, Wenbao
作者: Zhang, Wenbao;Li, Jun;Wen, Hao;Zhang, Wenbao;Li, Jun;McManus, Donald P.;Zhang, Zhuangzhi;Shi, Baoxin;Wu, Weiping;Zhou, Xiaonong
作者机构:
关键词: Cystic echinococcosis;Echinococcus granulosus;Alveolar echinococcosis;Echinococcus multilocularis;Epidemiology;Central Asia;Control of echinococcosis
期刊名称:ACTA TROPICA ( 影响因子:3.112; 五年影响因子:3.002 )
ISSN: 0001-706X
年卷期: 2015 年 141 卷
页码:
收录情况: SCI
摘要: At least 270 million people (58% of the total population) are at risk of cystic echinococcosis (CE) in Central Asia including areas of Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Afghanistan, Iran, Pakistan and western China. The annual surgical incidence rate in Uzbekistan and Tadjikistan has been estimated to be as high as 25-27 cases/100,000 with the highest prevalence reaching 10% (range from 0.8 to 11.9%) in some Tibetan communities in western China. Echinococcus transmission in the region is largely associated with social factors including limited community knowledge of echinococcosis, small-scale household animal production, home killing of livestock, and the feeding of dogs with uncooked offal. Alveolar echinococcosis (AE) is also endemic in Central Asia and is recognized as a major problem in some Tibetan communities with up to 6% of villagers infected in some villages. In western China, 5-30% of the population are seropositive against E. granulosus antigens, indicating that a large number of individuals have been exposed to the parasite. Although echinococcosis control programs have been initiated in some countries in Central Asia, control efforts are generally fragmented and uncoordinated. Monthly deworming of dogs with praziquantel (PZQ), as a key measure to control the Echinococcus parasites, has been used in western China. However, the approach has proven difficult in local semi-nomadic communities. Additional control measures including health education, domestic livestock animal treatment/vaccination and dog vaccination are needed in CE-endemic areas to accelerate progress. (C) 2014 Published by Elsevier B.V.
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